Q: How important is water chemistry for my pool?

A: Believe it or not, water chemistry is the most important part of any pool's maintenance routine. Pool water that is not balanced correctly will not only damage the pool equipment but will also ruin the interior finish of the pool. Here are some helpful tips to maintaining proper water chemistry:

  • Test water chemistry at least once a week
  • Always follow manufacturer's directions for use of chemicals.
  • Never mix chemicals.

Q: What are the recommended water chemistry parameters? 

Free Available Chlorine (FAC)
1 to 3 parts per million (ppm)
Combined Chlorine 
0 ppm
Total Available Chlorine (TAC) Equal to free (represents 0 ppm combined)
7.4 to 7.6 (7.2 to 7.4 Colored Plaster)
Alkalinity   80 to 120 ppm (80 to 100 Colored Plaster)
Calcium Hardness 200 to 400 ppm (175 to 250 Colored Plaster)
0 ppm
Cyanuric Acid (Stabilizer)
50 to 80 ppm
Total Dissolved Solids (TDS)
Below 1200 ppm

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